name = "DVD"
authors = { "AviiNL" }
description = "Bouncing 'dvd' Logo"

local width = g13.display_width
local height = g13.display_height

local x = 22.0
local y = 6.0

local x_direction = 1
local y_direction = 1

local speed = 20

local size = 3

function setup()
    joy.deadzone = 40
end

function update(delta)
    x = x + speed * delta * joy.x * 1.2
    y = y + speed * delta * joy.y

    local color_x = (x / width) * 255
    local color_y = (y / height) * 255
    local color_z = 255 - (color_x + color_y) / 2

    g13.clear()

    g13.set_color(color_x / 2, color_y / 2, color_z / 2)

    g13.text("Hello World!", 1, 1, true, 0, 0, 1)

    for sy = -size, size do
        for sx = -size, size do
            g13.set_pixel(x + sx, y + sy, true)
        end
    end
end

function dump(o)
    if type(o) == 'table' then
        local s = '{ '
        for k, v in pairs(o) do
            if type(k) ~= 'number' then k = '"' .. k .. '"' end
            s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
        end
        return s .. '} '
    else
        return tostring(o)
    end
end